Question 1 to 7.
Q1.In Mendeleev's periodic table, elements are arranged in the increasing order of their (A) numbers of neutrons (B) atomic number (C)Atomic weight (D) Atomic volume
Q2) The law of trend in periodic table was proposed by (A) Dobereiner (B) Newlands (C) Lothar Meyer D) Chancourtois
Q3) Elements in the same vertical group of the periodic table have same (A)nurober of electrons (B) atornic number (C) number of valence elections (D) atomic number
Q4) The amount of energy released by absorbing one electron in the valence shell is (A) ionization energy (B) electronegativity (C) electron affinity (D) lattice energy
Q5) The decrease in atomic radius is small when we travel from left to right in transition elements. This is due to (A) intervening electrons (B) valence electrons (C) nuclear charge (D) number of shells
Q6) What is the highest electronegative element in the periodic table? (A) Chlorine (B) Fluorine (C) Nitrogen (D) Oxygen
Q7) All are periodic properties except (A) ionization energy (B) electronegativity (C) dipole moment (D) electron